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DOMParser - Web APIs
syntax let domparser = new domparser() methods domparser.
parsefromstring() syntax let doc = domparser.
parsefromstring(string, mimetype) return either document or xmldocument depending on the mimetype argument.
...values are the following: mimetype doc.constructor text/html document text/xml xmldocument application/xml xmldocument application/xhtml+xml xmldocument image/svg+xml xmldocument examples parsing xml once you have created a parser object, you can parse xml from a string using the
parsefromstring() method: let parser = new domparser() let doc = parser.
parsefromstring(stringcontainingxmlsource, "application/xml") error handling note that if the parsing process fails, the domparser does not throw an exception, but instead returns an error document: <parsererror xmlns="http://www.mozilla.org/newlayout/xml/parsererror.xml"> (error description) <sourcetext>(a snippet of the source xml...
... if the mime type is text/xml, the result will be an xmldocument if the mime type is image/svg+xml, the result will be an svgdocument if the mime type is text/html, the result will be an htmldocument let parser = new domparser() let doc = parser.
parsefromstring(stringcontainingxmlsource, "application/xml") // returns a document, but not an svgdocument nor an htmldocument parser = new domparser(); doc = parser.
parsefromstring(stringcontainingsvgsource, "image/svg+xml") // returns a svgdocument, which also is a document.
...And 2 more matches
Using XML Data Islands in Mozilla - Archive of obsolete content
ame> <price>1.25</price> </lineitem> <lineitem> <name>line item 2</name> <price>2.48</price> </lineitem> </purchaseorder> </script> the xml source text can then be retrieved like this: var ordersource = document.getelementbyid("purchase-order").textcontent; the xml source text can be parsed into a dom tree using the domparser api: var parser = new domparser(); var doc = parser.
parsefromstring(ordersource, "application/xml"); the html5 data block-based way shown here works in firefox, opera, webkit-based browsers such as chrome and safari, and ie9 while ie's xml data islands work only in ie.
...rder xmlns="http://example.mozilla.org/purchaseorderml"> <lineitem> <name>line item 1</name> <price>1.25</price> </lineitem> <lineitem> <name>line item 2</name> <price>2.48</price> </lineitem> </purchaseorder> </script> <script> function rundemo() { var ordersource = document.getelementbyid("purchase-order").textcontent; var parser = new domparser(); var doc = parser.
parsefromstring(ordersource, "application/xml"); var lineitems = doc.getelementsbytagnamens("http://example.mozilla.org/purchaseorderml", "lineitem"); var firstprice = lineitems[0].getelementsbytagnamens("http://example.mozilla.org/purchaseorderml", "price")[0].textcontent; document.body.textcontent = "the purchase order contains " + lineitems.length + " line items.
... the price of the first line item is " + firstprice + "."; } </script> </head> <body onload="rundemo()";> demo did not run </body> </html> the xml source text can be parsed into a dom tree using the domparser api: var parser = new domparser(); var doc = parser.
parsefromstring(ordersource, "application/xml"); the html5 data block-based way shown here works in firefox, opera, webkit-based browsers such as chrome and safari, and ie9 while ie's xml data islands work only in ie.
nsIFeedProcessor
to create an instance, use: var feedprocessor = components.classes["@mozilla.org/feed-processor;1"] .createinstance(components.interfaces.nsifeedprocessor); method overview void parseasync(in nsirequestobserver requestobserver, in nsiuri uri); void parsefromstream(in nsiinputstream stream, in nsiuri uri); void
parsefromstring(in astring str, in nsiuri uri); attributes attribute type description listener nsifeedresultlistener the feed result listener that will respond to feed events.
...
parsefromstring() parses a feed from an astring.
... void
parsefromstring( in astring str, in nsiuri uri ); parameters str the string to parse as a feed.
Feed content access API
.interfaces.nsiioservice); var uri = ioservice.newuri(feedurl, null, null); if (data.length) { var parser = components.classes["@mozilla.org/feed-processor;1"] .createinstance(components.interfaces.nsifeedprocessor); var listener = new feedtestresultlistener(); try { parser.listener = listener; parser.
parsefromstring(data, uri); } catch(e) { alert("error parsing feed."); } } } httprequest = new xmlhttprequest(); httprequest.open("get", feedurl, true); try { httprequest.onload = inforeceived; httprequest.send(null); } catch(e) { alert(e); } } the nsifeedprocessor interface lets you parse the feed data from several possib...
...le sources; in this case, we're loading a document into a string, then parsing that string using its
parsefromstring() method.
nsIDOMParser
parsing a string once you've created a domparser object, you can use its
parsefromstring method to parse xml or html as described in the web platform documentation.
... examples within the context of a window: var parser = new domparser(); var doc = parser.
parsefromstring(astr, "application/xml"); outside of a window (e.g., a js xpcom component, a js module, or an xpcshell test): var parser = components.classes["@mozilla.org/xmlextras/domparser;1"] .createinstance(components.interfaces.nsidomparser); var doc = parser.
parsefromstring(astr, "application/xml"); using components.constructor(): const domparser = new components.constructor("@mozilla.org/xmlextras/domparser;1", "nsidomparser"); var parser = new domparser(); parser.init(principal, documenturi, baseuri); var doc = parser.
parsefromstring(astr, "application/xml"); ...
jspage - Archive of obsolete content
rn this;}});request.html=new class({extends:request,options:{update:false,append:false,evalscripts:true,filter:false},processhtml:function(c){var b=c.match(/<body[^>]*>([\s\s]*?)<\/body>/i); c=(b)?b[1]:c;var a=new element("div");return $try(function(){var d="<root>"+c+"</root>",g;if(browser.engine.trident){g=new activexobject("microsoft.xmldom"); g.async=false;g.loadxml(d);}else{g=new domparser().
parsefromstring(d,"text/xml");}d=g.getelementsbytagname("root")[0];if(!d){return null;}for(var f=0,e=d.childnodes.length; f<e;f++){var h=element.clone(d.childnodes[f],true,true);if(h){a.grab(h);}}return a;})||a.set("html",c);},success:function(d){var c=this.options,b=this.response; b.html=d.stripscripts(function(e){b.javascript=e;});var a=this.processhtml(b.html);b.tree=a.childnodes;b.elements=a.getelements("*")...
Microsummary topics - Archive of obsolete content
createinstance(components.interfaces.nsidomparser); var generatordoc = domparser.
parsefromstring(generatortext, "text/xml"); var microsummaryservice = components.classes["@mozilla.org/microsummary/service;1"].
Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
the following code shows you how: var xmlstring = "<xml id=\"xmldataisland\"><foo>bar</foo></xml>"; var mydocument; if (window.domparser) { // this browser appears to support domparser var parser = new domparser(); mydocument = parser.
parsefromstring(xmlstring, "text/xml"); } else if (window.activexobject){ // internet explorer, create a new xml document using activex // and use loadxml as a dom parser.
SAX - Archive of obsolete content
below is an example of parsing from a string: xmlreader.
parsefromstring("<f:a xmlns:f='g' d='1'><bbq/></f:a>", "text/xml"); this call results in the following output (assuming the content handler from the example above is used): startdocument startelement: namespace='g', localname='a', qname='f:a', attributes={d='1'} startelement: namespace='', localname='bbq', qname='bbq', attributes={} endelement: namespace='', localname='bbq', qname='bbq' endelement: namespace=...
Writing JavaScript for XHTML - Archive of obsolete content
for example: var string = '<div xmlns="http://www.w3.org/999/xhtml"><h1>hello world!</h1></div>'; var parser = new domparser(); var documentfragment = parser.
parsefromstring(string, "text/xml"); body.appendchild(documentfragment); // assuming 'body' is the body element but be aware that if your string is not well-formed xml (e.g., you have an & where it should not be), then this method will crash, leaving you with a parser error.
XForms Custom Controls Examples - Archive of obsolete content
var val = this.stringvalue; var newdom = this.domparser.
parsefromstring(val, "text/xml"); var impnode = document.importnode(newdom.firstchild, true); // get content node, clean it, and update it var content = document.getanonymouselementbyattribute(this, "anonid", "content"); if (content.firstchild) { content.removechild(content.firstchild); } content.appendchild(impnode); return true; </body> </method> </implementation> </binding> ...
XML Extras
the "workaround" is to use domparser object's
parsefromstring() method to create a document from string, and pass the temporary document into send().
DOMParser() - Web APIs
this object can be used to parse the text of a document using the
parsefromstring() method.
Document.createCDATASection() - Web APIs
example var docu = new domparser().
parsefromstring('<xml></xml>', 'application/xml') var cdata = docu.createcdatasection('some <cdata> data & then some'); docu.getelementsbytagname('xml')[0].appendchild(cdata); alert(new xmlserializer().serializetostring(docu)); // displays: <xml><![cdata[some <cdata> data & then some]]></xml> notes this will only work with xml, not html documents (as html documents do not support cdata sections); attempting it on an html document will throw not_supported_err.
Document.createComment() - Web APIs
example var docu = new domparser().
parsefromstring('<xml></xml>', 'application/xml'); var comment = docu.createcomment('this is a not-so-secret comment in your document'); docu.getelementsbytagname('xml')[0].appendchild(comment); alert(new xmlserializer().serializetostring(docu)); // displays: <xml><!--this is a not-so-secret comment in your document--></xml> specifications specification status comment domthe definition of 'document.createcomment' in that specification.
Document.createProcessingInstruction() - Web APIs
example var doc = new domparser().
parsefromstring('<foo />', 'application/xml'); var pi = doc.createprocessinginstruction('xml-stylesheet', 'href="mycss.css" type="text/css"'); doc.insertbefore(pi, doc.firstchild); console.log(new xmlserializer().serializetostring(doc)); // displays: <?xml-stylesheet href="mycss.css" type="text/css"?><foo/> specifications specification status comment domthe definition of 'createp...
Parsing and serializing XML - Developer guides
parsing strings into dom trees this example converts an xml fragment in a string into a dom tree using a domparser: var smystring = '<a id="a"><b id="b">hey!</b></a>'; var oparser = new domparser(); var odom = oparser.
parsefromstring(smystring, "application/xml"); // print the name of the root element or error message console.log(odom.documentelement.nodename == "parsererror" ?